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overhead image of blueberry baked oatmeal

Blueberry Baked Oatmeal Recipe

Course: Breakfast
Cuisine: American
Prep Time: 10 minutes
Cook Time: 40 minutes
Total Time: 50 minutes
Servings: 8 people
Calories: 386kcal
Inspired by the latest Tik Tok trend, this Blueberry Baked Oatmeal is all kinds of delicious! Perfect for a hearty and healthy breakfast, it comes together in minutes and bakes beautifully in the oven.
Print Recipe



  • cups old-fashioned oats 225 grams
  • ½ cup brown sugar 107 grams
  • 1 teaspoon baking powder 4 grams
  • ¼ teaspoon allspice
  • 2 cups half-and-half 454 grams, room temperature
  • 2 large eggs 100 grams, room temperature
  • 2 tablespoons salted butter 28 grams, melted (¼ stick)
  • 1 tablespoon lemon juice 14 grams, from ½ lemon
  • 1 tablespoon honey 22 grams
  • ½ teaspoon pure vanilla extract 2 grams
  • 2 cups blueberries 340 grams
  • 1 cup chopped pecans 114 grams

For Serving (optional)

  • Honey
  • Maple syrup
  • Fresh Fruit
  • Yogurt


  • Preheat oven to 375°F. Spray an 8x8-inch baking pan with nonstick spray. Set aside.
    ingredients for blueberry baked oatmeal
  • In a large bowl, whisk the oats, brown sugar, baking powder, and allspice together.
    2¼ cups old-fashioned oats, ½ cup brown sugar, 1 teaspoon baking powder, ¼ teaspoon allspice
    dry ingredients for blueberry baked oatmeal
  • In another bowl, mix the half-and-half, eggs, butter, lemon juice, honey, and vanilla extract together until well combined.
    2 cups half-and-half, 2 large eggs, 2 tablespoons salted butter, 1 tablespoon lemon juice, 1 tablespoon honey, ½ teaspoon pure vanilla extract
    ingredients for blueberry baked oatmeal
  • Pour the milk mixture into the oats. Mix well.
    oatmeal mixture in a glass bowl with a wood spoon
  • Gently fold in the blueberries and pecans.
    2 cups blueberries, 1 cup chopped pecans
    adding nuts and blueberries to oatmeal mixture in a glass bowl
  • Transfer the batter into the prepared baking pan and spread it into an even layer.
    blueberry baked oatmeal before baking
  • Bake for 40-45 minutes or until golden brown. Let cool before plating and serving.



  • Add a pinch of cinnamon for a little something extra!
  • For an even texture throughout, make sure all of the ingredients are well mixed before spreading into the baking dish.
  • Let the oatmeal completely cool before storing.
  • Nutritional information does not include optional ingredients.
Storage: Store fully cooled baked oatmeal in an airtight container in the refrigerator for up to 5 days. To freeze, wrap cooled baked oatmeal squares in plastic wrap and place into an airtight container for up to 3 months. 


Calories: 386kcal | Carbohydrates: 41g | Protein: 8g | Fat: 22g | Saturated Fat: 8g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 9g | Trans Fat: 0.1g | Cholesterol: 75mg | Sodium: 136mg | Potassium: 287mg | Fiber: 5g | Sugar: 23g | Vitamin A: 397IU | Vitamin C: 5mg | Calcium: 138mg | Iron: 2mg